Food, oil, and other stocks flow into factories to produce fertilizer, to complete one feedback loop.
而食物、石油和其他一些库存流入工厂则生产出肥料，从而完成一个反馈回路。
2
The move comes amid worries about inflation in China and complaints from factories in Guangdong and elsewhere about unfilled jobs as they rush to complete a surge in orders since February.
Such factories churn out completed walls, floor and roof panels (complete with siding, Windows and insulation) and all are assembled with the help of computerized, automated equipment.